/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * File Name          : freertos.c
  * Description        : Code for freertos applications
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "FreeRTOS.h"
#include "task.h"
#include "main.h"
#include "cmsis_os.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <stdio.h>
#include <gpio.h>
#include <usart.h>



#include <semphr.h>
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN Variables */
uint8_t number=100;
/* USER CODE END Variables */
/* Definitions for defaultTask */
SemaphoreHandle_t semhandle;
osThreadId_t defaultTaskHandle;
osThreadId_t UARTTaskHandle;
const osThreadAttr_t defaultTask_attributes = {
  .name = "defaultTask",
  .stack_size = 128 * 4,
  .priority = (osPriority_t) osPriorityNormal,
};

/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN FunctionPrototypes */
const osThreadAttr_t UARTTask_attributes = {
  .name = "UARTTask",
  .stack_size = 128 * 4,
  .priority = (osPriority_t) osPriorityNormal,
};
/* USER CODE END FunctionPrototypes */

void StartDefaultTask(void *argument);
void UARTTask(void*arg);
void MX_FREERTOS_Init(void); /* (MISRA C 2004 rule 8.1) */

/**
  * @brief  FreeRTOS initialization
  * @param  None
  * @retval None
  */
void MX_FREERTOS_Init(void) {
  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* USER CODE BEGIN RTOS_MUTEX */
  /* add mutexes, ... */
  /* USER CODE END RTOS_MUTEX */

  /* USER CODE BEGIN RTOS_SEMAPHORES */
  /* add semaphores, ... */
  
  /* USER CODE END RTOS_SEMAPHORES */
   
	  //vSemaphoreCreateBinary(semhandle);   
	  semhandle=xSemaphoreCreateBinary(); //创建二值信号量
	   xSemaphoreGive(semhandle);     //将任务量(锁)给出去
	
	
  /* USER CODE BEGIN RTOS_TIMERS */
  /* start timers, add new ones, ... */
  /* USER CODE END RTOS_TIMERS */

  /* USER CODE BEGIN RTOS_QUEUES */
  /* add queues, ... */
  /* USER CODE END RTOS_QUEUES */

  /* Create the thread(s) */
  /* creation of defaultTask */
  defaultTaskHandle = osThreadNew(StartDefaultTask, NULL, &defaultTask_attributes);
	uint8_t i;
  for(i=0;i<50;i++)
	 {  osThreadNew(UARTTask, NULL, &UARTTask_attributes);}
	
 
  /* USER CODE BEGIN RTOS_THREADS */
  /* add threads, ... */
  /* USER CODE END RTOS_THREADS */
   
  /* USER CODE BEGIN RTOS_EVENTS */
  /* add events, ... */
  /* USER CODE END RTOS_EVENTS */

}

/* USER CODE BEGIN Header_StartDefaultTask */
/**
  * @brief  Function implementing the defaultTask thread.
  * @param  argument: Not used
  * @retval None
  */
/* USER CODE END Header_StartDefaultTask */
void StartDefaultTask(void *argument)
{
  /* USER CODE BEGIN StartDefaultTask */
  /* Infinite loop */
// uint8_t data;
   for(;;)
	 {
//	   data=number;
//		  if(data<=0)
//		  {break;}
//		  printf("DefaultTask get number is %d\r\n",data);
//	    data--;
//	    number=data;
//		  
		 osDelay(1);
	
	 }
	// while(1);
  /* USER CODE END StartDefaultTask */
}

/* Private application code --------------------------------------------------*/
/* USER CODE BEGIN Application */
void UARTTask(void*arg)
{  uint8_t data;
   for(;;)
	 {  
		  xSemaphoreTake(semhandle,HAL_MAX_DELAY);  //拿到任务量
		  
		  /*访问共享资源*/
       data=number;
		  if(data<=0)
		  {break;}
			TaskHandle_t  handle=xTaskGetCurrentTaskHandle();
		  printf("%d get number is %d\r\n",(uint32_t)handle,data);
	    data--;
	    number=data;
			
			/*访问共享资源*/
			xSemaphoreGive(semhandle); //归还信号量，以便于其他任务可以拿到信号量
			
		  osDelay(100);
		
   }
   // while(1);
   // vTaskDelay(NULL);
	 
	 
      vSemaphoreDelete(semhandle);  //任务量删除

}
/* USER CODE END Application */